Solve and give interval notation for the solution set. Then graph the solution set.1 - 4x ? 6 or 1 - 4x < 4
A. ,
?
B. ,
C. ,
D. ,
?
Answer: A
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Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that , when t is measured in hours. If there are
of reactant present when t = 0, how many grams will be left after
? Give your answer to the nearest tenth of a gram.
A. 3.7 g B. 0.1 g C. 11.2 g D. 7.5 g
Find the indicated intersection or union.{1, 5, 8, 9} ? {2, 4, 7}
A. {1, 5, 8, 9} B. {2, 4, 7} C. {1, 2, 4, 5, 7, 8, 9} D. ?
Use a proportion to solve the problem.If 2 sandwich rolls cost $0.56, how much will 18 rolls cost?
A. $1.12 B. $5.04 C. $6.04 D. $3.12
Use the distributive property to rewrite the expression.4(11 + 7)
A. 4 ? 11 + 4 ? 7 B. 4 ? 11 ? 7 C. 4 + 11 + 7 D. 4 ? 11 + 7